to kneel down

to kowtow; to kneel and worship

(literary) (of a lamb) to kneel to suckle at the breast (used as a metaphor for filial piety)

to crouch (of animal)

to kneel down; to sink to one's knees; to grovel

to kneel; to go down on one's knees

(of a soccer player) to knee slide after scoring a goal; (slang) to drop to one's knees in contrition or surrender (usu. figurative)

to punish by protracted kneeling

to kneel as in prayer (without sitting back on the heels)